Reference

All functions
fx_conversion()	Converts a specific amount of money from current currency (curr1) to desired currency (curr2)
fx_rate_lookup()	Return the first date (reverse chronological order) on which the target price falling between day high and day low based on the availability of data.
pl_trend_viz()	Visualizes trend of the profit and loss of a currency pair between the selected start date and end date.
price_trend_viz()	Visualizes trend of the exchange rate of a currency pair between the selected start date and end date.